HT7121-2 View Datasheet(PDF) - Holtek Semiconductor
Part Name
Description
MFG CO.
HT7121-2 Datasheet PDF : 15 Pages
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Block Diagram
V IN
HT71xx-2
VO UT
V re f
GND
Pin Assignment
TO 92
7 1 x x -2
F r o n t V ie w
S O T89
7 1 x x -2
G N D V IN V O U T
G N D V IN V O U T
S O T 2 3 -5
NC
NC
1xx2
T o p V ie w
G N D V IN V O U T
V id e V ie w
G N D V IN V O U T
G N D V IN V O U T
Absolute Maximum Ratings
Supply Voltage ....................................... −0.3V to 33V
Storage Temperature ...........................−50°C to 125°C
Operating Temperature .........................−40°C to 85°C
Note: These are stress ratings only. Stresses exceeding the range specified under ″Absolute Maximum Ratings″
may cause substantial damage to the device. Functional operation of this device at other conditions beyond
those listed in the specification is not implied and prolonged exposure to extreme conditions may affect
device reliability.
Thermal Information
Symbol
Parameter
θJA
Thermal Resistance (Junction to Ambient)
(Assume no ambient airflow, no heat sink)
PD
Power Dissipation
Note: PD is measured at Ta = 25°C
Package
SOT23-5
SOT89
TO92
SOT23-5
SOT89
TO92
Max.
500
200
200
0.20
0.50
0.50
Unit
°C/W
°C/W
°C/W
W
W
W
Rev. 1.00
2
April 10, 2013
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